EnzymeAD/Enzyme.jl

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Julia bindings for the Enzyme automatic differentiator

Stars: 586
Forks: 108
Open beginner issues: 0
Indexed issues: 275
Avg merge: 1d 5h
Merged PRs (30d): 44

Dominant language: Julia
License: MIT
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

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275 open issues indexed

Can't use `test_reverse` with GPU arrays Open

EnzymeAD/Enzyme.jl#2676 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Can't use `test_reverse` with `MixedDuplicated` Open

EnzymeAD/Enzyme.jl#2677 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme's forward diff gives incorrect derivative of logsumexp when both arguments are zero Open

EnzymeAD/Enzyme.jl#2680 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error when differentiating a GPU kernel using atomic operations Open

EnzymeAD/Enzyme.jl#2693 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Duplicated constants with the same value in the LLVM IR could be merged? Open

EnzymeAD/Enzyme.jl#2706 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Higher order: handle mixed duplicated on llvm side Open

higher-order

EnzymeAD/Enzyme.jl#2712 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Enzyme` throws a large cannot deduce type error on a system where `ForwardDiff` works fine Open

EnzymeAD/Enzyme.jl#2716 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
atol and rtol in EnzymeTestUtils.test_reverse Open

EnzymeAD/Enzyme.jl#2724 · 19 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support MultiRequest Open

EnzymeAD/Enzyme.jl#2749 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"Enzyme: The original primal code hits this error condition, thus differentiating it does not make sense" very unhelpful Open

EnzymeAD/Enzyme.jl#2750 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error when calculating the second derivativate of `besselj` Open

EnzymeAD/Enzyme.jl#2789 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Seg fault when using BatchDuplicated with custom forward rule, but Duplicated works fine Open

EnzymeAD/Enzyme.jl#2796 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme Internal Error: Illegal calling convention fixup Open

more information needed

EnzymeAD/Enzyme.jl#2798 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
TRSM support Open

EnzymeAD/Enzyme.jl#2813 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
diff of cos kernel for AMDGPU fails Open

EnzymeAD/Enzyme.jl#2833 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
errors with gradients of mutating NNlib functions when return type is marked as `Const` Open

EnzymeAD/Enzyme.jl#2836 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme doesn't work for `AdvancedVI` Part IX Open

EnzymeAD/Enzyme.jl#2847 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
API for multi-arg hvp!/hvp Open

EnzymeAD/Enzyme.jl#2853 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Correctness issue on bitarray broadcast Open

correctness

EnzymeAD/Enzyme.jl#2858 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
No BLAS fallback for complex mat mul (e.g. zgemm) in reverse mode? Open

EnzymeAD/Enzyme.jl#2869 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CUDA gemm correctness issue Open

EnzymeAD/Enzyme.jl#2886 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Hella slow `test_reverse` Open

EnzymeAD/Enzyme.jl#2887 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`test_reverse` doesn't work with `BigFloat` Open

EnzymeAD/Enzyme.jl#2888 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
JIT session error: Symbols not found: [ digamma ] Open

more information needed

EnzymeAD/Enzyme.jl#2890 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
error with ReverseSplitWithPrimal and Flux.RNN Open

more information needed

EnzymeAD/Enzyme.jl#2897 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
error with eachslice and stack Open

EnzymeAD/Enzyme.jl#2909 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
EnzymeNoTypeError when diff'ing a loss function with FFTA Open

more information needed

EnzymeAD/Enzyme.jl#2932 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Bug in set_max_fn_args Open

EnzymeAD/Enzyme.jl#2948 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme reverse mode produces incorrect gradients for `cholesky!` on SubArray views when n ≥ 4 Open

EnzymeAD/Enzyme.jl#2964 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`LinearAlgebra.Symmetric` with `\` fails but `cholesky` works Open

EnzymeAD/Enzyme.jl#2967 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Bus error (signal 10) on macOS (Apple M4) Julia 1.12.5 Open

more information needed

EnzymeAD/Enzyme.jl#2973 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add trait to skip conservative f const check? Open

EnzymeAD/Enzyme.jl#2974 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
1.10 reverse-mode correctness error Open

EnzymeAD/Enzyme.jl#2987 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
easy_rule with Jacobian operator Open

EnzymeAD/Enzyme.jl#2997 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Defining EnzymeRules for single branches of a function Open

EnzymeAD/Enzyme.jl#3006 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Differentiating through foldl on SubArrays thwarts type analysis Open

EnzymeAD/Enzyme.jl#3008 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
please add guidelines for preparing MWEs Open

EnzymeAD/Enzyme.jl#3033 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
LU and triangular solve rules Open

EnzymeAD/Enzyme.jl#3039 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Segmentation fault during GC Open

bug gc

EnzymeAD/Enzyme.jl#3041 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`@allowscalar` causes error in `autodiff` (even on CPU) Open

EnzymeAD/Enzyme.jl#3042 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error on differentiating through a function allocating CuArray (cuMemcpyHtoDAsync_v2) Open

EnzymeAD/Enzyme.jl#3064 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
1.11 GC crash Open

gc

EnzymeAD/Enzyme.jl#3096 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Strange `EnzymeRuntimeActivityError` on 1.12 Open

EnzymeAD/Enzyme.jl#3100 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Forward/Reverse mode AssertionError("conv == 37") on recursive Base.tail tuple fold once tuple length ≥ 33 Open

EnzymeAD/Enzyme.jl#3104 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
SimpleGVN: Support gc_alloc_obj and write_barrier Open

EnzymeAD/Enzyme.jl#3115 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
EnzymeTestUtils.jl: stack overflow in test_forward / test_reverse with LRUCache.jl Open

EnzymeAD/Enzyme.jl#3116 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
how to make EnzymeTestUtils.test_ functions ignore activity Open

EnzymeAD/Enzyme.jl#3123 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`EnzymeRuntimeActivityError` where (I think) there shouldn't be in forward rule Open

EnzymeAD/Enzyme.jl#3127 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Activity (?) issue on both 1.10 and 1.12 Open

more information needed

EnzymeAD/Enzyme.jl#3197 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`@spawn` error Open

EnzymeAD/Enzyme.jl#3226 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026

EnzymeAD/Enzyme.jl

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